Tractor-plow adjustment lever



sept. 1s, T923. www@ E. H. CARLSON TRACTOR PLow ADJUSTMENT LEVER Filed June 12 1922.

&

VII.

l INKT/11177111111,

35 operating lever 4, segment 5, securing bolt inthesoil as required in the field even tho Patentedsept. 18,195.23, 'Y I i .l l Y :ERNEST n. oAnLsorL'or CLAYCENTER, KANSAS;

` TRACTORePIViOW ADJUSTMENT LEVER.

Application led June 12, 1922. Serial N'o. 567,686.

To LZZ whom it: may concern. casting 15 which vis firmly secured by sleeve Be it known that I, VERNEST H. CAnLsoN, connection 16 to axle 17 to which the plowa citizen of the 'United States, residing on beamsare attached. The plows having been 55 R. F. D. No. l, Clay Center, in the county of lowered by means of the lever (not shown) Clay and State of Kansas, have invented on the opposite side of the machine, the certain new and useful VImprovements inf depth of the plows in the soil is adjusted by Tractor-Plow Adjustment Levers, of which throwing the lever 4 forward or backward the following is a specification, reference as desired. By drawing the lever backward 60 being had to the accompanying drawing, the link 12 is raised clear of block 18 and which is made a part hereof. Y link QO'is thrown down till it fulcrums on My invention relates to appliances for said block and forces it downward and, at

regnlating'the depth of plows in angs, parthe same time, casting 15 is thrown upward;

ticularly what is known as the liver type thus with the assistance of lifting spring 21 65 of tractor plow, for use with tractors and securedto the standard of ratchet segment theprincipal object thereof is to increase 5 and to extension 22 of casting 15 secured the range of adjustment of the plows by to axle 17, raising the plows to a higher level means of the lever and avoid to a large exin the soil and by throwing said lever 4 tent having to remove and replace bolts and forward the plows are allowed to settle 70 blocks in the process of adjustment as is redeeper into the soil. y

quired in the operation of some plows now The fulerum block18 in conjunction with in use, Y adjusting block 19 may still be used as here- I attain this object by means of the device to'fore to secure a greater range of adjusthereinafter' described and illustrated by the ment of the plows; but with my device the 75 accompanying drawing,ein which, occasion 'for readjustmcnt ot said block 1S 25 F1gure 1 is a view of a side elevation of 1S made less frequent. ln fact the adjustthe link connectlon; ment of said block 18 once made when start- Fig. 2, a plan view of same; Y i ing to plow, no change thereof is likely to Fig. 3, a sectional view on line 3 3 of be found necessary, because with my de- 80 Fig 1; i vice the angular arm 8 coupled by link 11 :an Fig. 4, a sectional view on line 4-4 of to link 20 which is fulcrnmed on said block Fig. 1. 1S and pivoted to casting 15 gives a greater Similar numerals of Vreference indicate range of adjustment of the plows and a like parts thruout the several. views. greater leverage, enabling the operator by 8H The main frame 1, VstubV axle 2. wheel 3, means of lever 4to raise and lower the plows 6, pivot 7, operating link 12. pivots 13 andV the soil be tenacious and resisting. 14, casting 15, bearing 16. axle 17 to which My device does not and is not intended the plow-beams are secured, fulcrumsblock to raise the plows out of the ground. That a0 18 and adjusting-block 19, are all parts of is done by means of the lever (not shown) 4o the original plow frame. provided therefor on the opposite side of ln the old arrangement of parts the lever the tractor. 4 extended only to and was pivoted at 7 Having thus described my invention what and when raised or lowered moved only link I claim as new and desire to secure by Let- 95 12 fulcrumed on block 18 and could raise ters Patent is- Y or lower the plows only aboutan inch until The combination with a traction plow the block 1S was removed, readjusted to the having a plow beam operating axle, of means height desired andv again secured to block 19. for regulating the depth of the plowing ele- My invention consists of angular arm 8 ments of the plow in the soil, including a 100 integral with lever 4 which is pivoted at 7 ratchet segment having a standard, a lever to the standard of ratchet segment 5, link having an angularly extending arm on the 11 pivoted at 10 to said arm 8, link 20 lower end thereof and pivoted at the angle pivotedv at 9 to said link 11 andat 14 to thus formed to the standard of the ratchet 2 Y' 1,468,194 segment,- :1 link having its lower end pvtf opposite end thereof pvotallyfsecur'ed to ally Vconnect-edito the free end of saclel'nl, the axle.A Y' Y f 2iV fulcl'um block in conjunction Wltlyan :Ldf Y' justng hloclga secondlnk having one .end Y A pvotally connected to the upper end of said W iznessesf; Y l Y :A u Y Y frst named link and cooperatngwth sd i Q JOHNIACARLSQL Vfulcum block, said second` link havingfthe FRANK?,O.-OBERG.`.` '.1 

